// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/plugin_content_origin_whitelist.h"

#include "content/common/frame_messages.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"

namespace content {

PluginContentOriginWhitelist::PluginContentOriginWhitelist(
    WebContents* web_contents)
    : WebContentsObserver(web_contents)
{
}

PluginContentOriginWhitelist::~PluginContentOriginWhitelist()
{
}

void PluginContentOriginWhitelist::RenderFrameCreated(
    RenderFrameHost* render_frame_host)
{
    if (!whitelist_.empty()) {
        Send(new FrameMsg_UpdatePluginContentOriginWhitelist(
            render_frame_host->GetRoutingID(), whitelist_));
    }
}

bool PluginContentOriginWhitelist::OnMessageReceived(
    const IPC::Message& message,
    RenderFrameHost* render_frame_host)
{
    bool handled = true;
    IPC_BEGIN_MESSAGE_MAP(PluginContentOriginWhitelist, message)
    IPC_MESSAGE_HANDLER(FrameHostMsg_PluginContentOriginAllowed,
        OnPluginContentOriginAllowed)
    IPC_MESSAGE_UNHANDLED(handled = false)
    IPC_END_MESSAGE_MAP()

    return handled;
}

void PluginContentOriginWhitelist::DidNavigateMainFrame(
    const LoadCommittedDetails& details,
    const FrameNavigateParams& params)
{
    if (details.is_navigation_to_different_page()) {
        // We expect RenderFrames to clear their replicated whitelist independently.
        whitelist_.clear();
    }
}

void PluginContentOriginWhitelist::OnPluginContentOriginAllowed(
    const url::Origin& content_origin)
{
    whitelist_.insert(content_origin);

    web_contents()->SendToAllFrames(
        new FrameMsg_UpdatePluginContentOriginWhitelist(
            MSG_ROUTING_NONE, whitelist_));
}

} // namespace content
